Question

英语中的介系词有哪些求教

Answer 1

介系词从形式上来分有四种。类别1:只有一个字的简单介系词。如:at, before, for, from, in, next, of, over, since, to, under, with类别2:由两个字合成的合成介系词。如:inside, into, out of, outside, upon, within, without类别3:由两个介系词组成的双重介系词。如:from among(从...